Xlr DT System Suppose the system is linear, and define hk[n] as the response to an-k 6|7-k→hk] From superposition =∑k6n-→列m=∑ahk团 k= kx[n] DT System y[n] • Suppose the system is linear, and define hk[n] as the response to δ[n - k]: From superposition: